About the Authors

Bryant Gipson

Affiliation Department of Computer Science, Rice University, Houston, Texas, United States of America

Mark Moll

Affiliation Department of Computer Science, Rice University, Houston, Texas, United States of America

Lydia E. Kavraki

kavraki@rice.edu

Affiliation Department of Computer Science, Rice University, Houston, Texas, United States of America

Competing Interests

This study used equipment owned by a partnership between Rice University, Sun Microsystems, and Sigma Solutions, Inc. and equipment funded from an IBM Shared University Research (SUR) Award in partnership with CISCO, Qlogic and Adaptive Computing). There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: BG MM LEK. Performed the experiments: BG. Analyzed the data: BG MM LEK. Contributed reagents/materials/analysis tools: BG. Wrote the paper: BG MM LEK. Designed the software used in analysis: BG.